Please help Q. Find the sum of 1 . 10 1 + 2 . 10 2 + 3 . 10 3 + . . . . . . 99 . 10 99 Share with your friends Share 1 Hari Shankar answered this Dear student see the image hope! this information helpful for you . Regards 0 View Full Answer Neelima Mohanty answered this Dear Student,solution =sum of 99terms = (n/2)[First term + Last term]=(99/2)[1*10^1 + 99*10^99] = Answer .Solve it. 1